Seikagaku : announces the Progress of Acquisition of Treasury Stocks

November 1, 2022

SEIKAGAKU CORPORATION

(Securities Code: TSE 4548)

Seikagaku announces the Progress of Acquisition of

Treasury Stocks

(Under the provision of its Articles of Incorporation in accordance

with Article 165, paragraph 2 of the Companies Act)

Seikagaku Corporation (Tokyo, Japan) announced that the progress of acquisition of treasury stocks under Article 156 which is applicable in accordance with Article 165, paragraph 3 of the Companies Act.

1. Class of shares acquired:	Common stock of the Company
2. Total number of shares acquired:	220,000 shares
3. Aggregate amount of acquisition cost: 194,788,500 yen
4.	Period of acquisition(Trade base):	October 1, 2022 to October 31, 2022
5.	Method of acquisition:	Purchased on the Tokyo Stock Exchange

(Reference)

A) Details of the resolution at the Board held on May 13, 2022:

1. Class of shares to be acquired:	Common stock of the Company
2. Total amount of acquisition cost:	2,000,000 shares (maximum)

(3.56% of the total number of shares issued (excluding treasury stock))

3. Aggregate amount of acquisition cost: ¥1,500 million (maximum)

4. Acquisition period:

May 16, 2022 to December 30, 2022

1. Total number and yen amount of own shares repurchased from May 16, 2022 through October 31, 2022, pursuant to the Board of Directors resolution above:

1.	Total number of own shares repurchased:	1,327,800 shares
2.	Total repurchase amount:	1,127,473,900 yen
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